Rear Power Window LH Auto Up / Down Function Does Not Operate With Rear Power Window Switch LH
WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH
- Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH
DESCRIPTION
* If the AUTO UP/DOWN function does not operate, the cause may be one or more of the following:
* ECU in the power window regulator motor determines that the power window regulator motor has not been initialized.
* The power window regulator switch has a malfunction.
* The Hall-IC in the power window regulator motor have a malfunction.
* The wiring between the power window regulator switch and the power window regulator motor is open or short.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK FOR DTC
(a) Check for DTCs.
Result:
B -- GO TO DTC B2311 B2311
C -- GO TO DTC B2312 B2312
D -- GO TO DTC B2313 B2313
E -- GO TO LIN COMMUNICATION SYSTEM LIN Communication System
A -- Continue to next step.
2. CHECK MANUAL UP / DOWN FUNCTION
(a) Check that the manual UP/DOWN function using the rear power window regulator switch LH can operate the driver door power window.
OK:
Manual UP/DOWN function operates normally.
NG -- OTHER PROBLEM Rear Power Window LH Does Not Operate With Rear Power Window Switch LH
OK -- Continue to next step.
3. READ VALUE USING TECHSTREAM (REAR WINDOW REGULATOR MOTOR LH)
(a) Use the Data List to check if the power window regulator motor is functioning properly.
RL-Door Motor:
OK:
Techstream display changes normally when rear power window switch LH is operated.
NG -- CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH LH - POWER WINDOW REGULATOR MOTOR LH)
OK -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal
4. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH LH - POWER WINDOW REGULATOR MOTOR LH)
(a) Disconnect the O18 switch connector.
(b) Disconnect the O19 motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.
5. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH
(a) Remove the switch.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Removal
OK -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal